{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "James B. Paces", "hasEmail": "mailto:jbpaces@usgs.gov"}, "description": "This dataset includes tables of U- and Th-isotopic data used to calculate uranium-series age estimates (230Th/U method) and initial 234U/238U activity ratios for samples of tufa mounds formed by groundwater seepage.  In addition, data include 87Sr/86Sr and 234U/238U values determined for spring discharge and streamflow collected from sites in the vicinity of Buffalo National River.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P9L1J7BG", "description": "Landing page for access to the data", "format": "XML", "mediaType": "application/http", "title": "Digital Data"}, {"@type": "dcat:Distribution", "description": "The metadata original format", "downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.5cc496b7e4b09b8c0b77e0f7.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_5cc496b7e4b09b8c0b77e0f7", "keyword": ["Arkansas", "Boone County", "Buffalo National River", "Carroll County", "Holocene", "Jasper County", "Pleistocene", "Searcy County", "USGS:5cc496b7e4b09b8c0b77e0f7", "geochronology", "isotope analysis", "radiometric dating"], "modified": "2020-08-20T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-93.3857, 36.0149, -92.8897, 36.1774", "theme": ["geospatial"], "title": "U-series and Sr-isotope data release supporting Tufa and Water Radiogenic Geochemistry and Tufa Ages for Two Karst  Aquifers in the Buffalo National River Region, Northern Arkansas"}